北京市等时间交通圈的范围、形态与结构特征

陈卓, 金凤君

Scope, shape, and structural characteristics of traffic circles of equal travel time in Beijing

Zhuo CHEN, Fengjun JIN

表2 地铁空间服务范围位于1小时交通圈各圈层的面积

Tab.2 The area of each hierarchy of the one hour traffic circle of Beijing within the service scope of subway

圈层 核心区 中间区 边缘区 15 min 30 min 15 min 30 min 15 min 30 min 面积/km2 553.21 1042.38 20.26 49.85 0.00 2.81 地铁服务指数ai 20.28 38.22 1.88 4.62 0.00 0.15